>I am trying to learn how the playlist queue functionality is implemented. In
>particular, I am looking for where the ON + PLAY button interrupts are
>handled in 2.1. I thought this would be in WPS.c but can not pick out the
>code. Would someone point me to the appropriate source? Thanks, Travis
>
>

ON+PLAY for the file functions (including playlist handling) is detected
in tree.c which then calls onplay() defined in onplay.c. The playlist
functions called from the onplay menu are defined in playlist.c.